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block: don't use REQ_SYNC in the READ_SYNC definition
authorChristoph Hellwig <hch@lst.de>
Tue, 1 Nov 2016 13:40:07 +0000 (07:40 -0600)
committerJens Axboe <axboe@fb.com>
Tue, 1 Nov 2016 15:43:26 +0000 (09:43 -0600)
Reads are synchronous per definition, don't add another flag for it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
include/linux/fs.h patch | blob | blame | history

diff --git a/include/linux/fs.h b/include/linux/fs.h
index e3e878f12b2522d57f383fb999301f6569943ea9..5e0078fceed7980406d8e074969aad0b87736cc6 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -196,7 +196,7 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
 #define READ                   REQ_OP_READ
 #define WRITE                  REQ_OP_WRITE
 
-#define READ_SYNC              REQ_SYNC
+#define READ_SYNC              0
 #define WRITE_SYNC             (REQ_SYNC | REQ_NOIDLE)
 #define WRITE_ODIRECT          REQ_SYNC
 #define WRITE_FLUSH            (REQ_SYNC | REQ_NOIDLE | REQ_PREFLUSH)